Home / 5,298.31-7,947.67-1,788.38

Finding the Fourth Proportional to 5,298.31, 7,947.67 and 1,788.38

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Solution

The fourth proportional to 5,298.31, 7,947.67 and 1,788.38 is: 2,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.31 : 7,947.67 = 1,788.38 : x
  2. Step 2: Convert to fraction form
    5,298.31/7,947.67 = 1,788.38/x
  3. Step 3: Cross multiply
    5,298.31x = 7,947.67 × 1,788.38
  4. Step 4: Simplify right side
    5,298.31x = 14,213,454.07
  5. Step 5: Solve for x
    x = 14,213,454.07/5,298.31
  6. Step 6: Final answer
    x = 2,682.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.